<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="./react/react.development.js"></script>
    <script src="./react/react-dom.development.js"></script>
    <script src="./react/babel.min.js"></script>
    <script src="./react/prop-types.js"></script>
    <script src="./react/lodash.min.js"></script>
    <script src="./react/immutable.min.js"></script>

</head>
<body>
<div id="app"></div>
<script type="text/babel">

    let app = document.querySelector('#app');

    let root = ReactDOM.createRoot(app);

    class Welcome extends React.Component {

        render(){
            console.log('render');
            return (
                <div>
                    {this.props.title}
                    hello world
                    {this.props.content}
                </div>
            );
        }
    }
    let element = (
        <Welcome title = {<h2>这是一个标题</h2>} content={<p>这是一个段落</p>} />
            );

    root.render(element);


</script>
</body>
</html>